*, *::before, *::after { box-sizing: border-box; }

  html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
  }

  body {
    font-family: 'Inter', system-ui, sans-serif;
    font-weight: 300;
    color: #2d3036;
    background-color: #ffffff;
    line-height: 1.7;
  }

  ::selection {
    background-color: #c4614a;
    color: #ffffff;
  }

  img {
    max-width: 100%;
    height: auto;
    display: block;
  }

  a {
    text-decoration: none;
    color: inherit;
  }

  button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
  }

  input, select, textarea {
    font-family: inherit;
  }

  select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23a5a8af' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Epolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
  }

  /* Scroll reveal — progressive enhancement */
  @media (prefers-reduced-motion: no-preference) {
    .reveal {
      opacity: 0;
      transform: translateY(24px);
      transition: opacity 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.7s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    }
    .reveal.revealed {
      opacity: 1;
      transform: translateY(0);
    }
  }

  @media (prefers-reduced-motion: reduce) {
    .reveal {
      opacity: 1;
      transform: none;
      transition: none;
    }
    html { scroll-behavior: auto; }
  }

  /* Mobile menu */
  #mobile-menu {
    animation: slideDown 0.25s ease-out;
  }

  @keyframes slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
  }

  /* Navbar scroll state */
  #navbar.scrolled {
    box-shadow: 0 1px 20px rgba(15, 16, 19, 0.06);
  }

  /* Back to top button */
  #back-to-top.visible {
    opacity: 1;
    pointer-events: all;
  }

  /* Focus styles */
  a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
    outline: 2px solid #c4614a;
    outline-offset: 2px;
    border-radius: 4px;
  }

  /* Custom scrollbar */
  ::-webkit-scrollbar { width: 6px; }
  ::-webkit-scrollbar-track { background: #f6f6f7; }
  ::-webkit-scrollbar-thumb { background: #c5c7cc; border-radius: 3px; }
  ::-webkit-scrollbar-thumb:hover { background: #a5a8af; }